18460476

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 49729680

約数和(自身を除く): 31269204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 197, 228, 274, 342, 394, 411, 548, 591, 684, 788, 822, 1182, 1233, 1644, 1773, 2364, 2466, 2603, 3546, 3743, 4932, 5206, 7092, 7486, 7809, 10412, 11229, 14972, 15618, 22458, 23427, 26989, 31236, 33687, 44916, 46854, 53978, 67374, 80967, 93708, 107956, 134748, 161934, 242901, 323868, 485802, 512791, 971604, 1025582, 1538373, 2051164, 3076746, 4615119, 6153492, 9230238, 18460476]

約数ペア:

[(1, 18460476), (2, 9230238), (3, 6153492), (4, 4615119), (6, 3076746), (9, 2051164), (12, 1538373), (18, 1025582), (19, 971604), (36, 512791), (38, 485802), (57, 323868), (76, 242901), (114, 161934), (137, 134748), (171, 107956), (197, 93708), (228, 80967), (274, 67374), (342, 53978), (394, 46854), (411, 44916), (548, 33687), (591, 31236), (684, 26989), (788, 23427), (822, 22458), (1182, 15618), (1233, 14972), (1644, 11229), (1773, 10412), (2364, 7809), (2466, 7486), (2603, 7092), (3546, 5206), (3743, 4932)]